diff --git a/epub.cabal b/epub.cabal
--- a/epub.cabal
+++ b/epub.cabal
@@ -1,5 +1,5 @@
 Name:            epub
-Version:         0.0.1
+Version:         0.0.3
 License:         BSD3
 License-File:    LICENSE
 Synopsis:        EPUB E-Book construction support library
diff --git a/src/Codec/EBook/OPF.hs b/src/Codec/EBook/OPF.hs
--- a/src/Codec/EBook/OPF.hs
+++ b/src/Codec/EBook/OPF.hs
@@ -71,6 +71,6 @@
                                 ,Attr (unqual "href") xn
                                 ,Attr (unqual "media-type") "application/x-dtbncx+xml" 
                                        ] $ unode "item" ()
-           spineT = add_attrs [ Attr (unqual "toc") "ncx" ] $ unode "spine" (map spineItemT (bookItems o))
+           spineT = add_attrs [ Attr (unqual "toc") "ncx" ] $ unode "spine" (map spineItemT (chapterItems $ bookItems o))
            spineItemT i = add_attrs [ Attr (unqual "idref") (itemID i) ] $ unode "itemref" ()